.com-arrowLeft {
    border-radius: 50%;
    border: 1rpx solid rgba(255, 255, 255, 0.3);
    box-sizing: border-box;
    background: rgba(0, 0, 0, 0.5);
    margin-left: 5vw;
    
    position: fixed;
    z-index: 999;

    display: flex;
    align-items: center;
    justify-content: center;
}
